Bug 1585174 [wpt PR 19423] - Remove toddreifsteck as reviewer for perf timeline, a=testonly

Automatic update from web-platform-tests
Remove toddreifsteck as reviewer for perf timeline (#19423)

--

wpt-commits: 3ff56ba1c3f87abe99b932d5dabdeb5e2e1c911a
wpt-pr: 19423

testing/web-platform/tests/performance-timeline/META.yml

@@ -2,4 +2,3 @@ spec: https://w3c.github.io/performance-timeline/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck